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@Joze: It would've been better to merge the two tags than just remove one arbitrarily from one post unless somehow "meanings" characterises questions in a fundamentally different way than "definitions".
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hippietrailDec 15 '11 at 9:13

I would include "con" in the Spanish phrase for this sense and "with" in the English phrase. In English there is no way to say "nothing to do" in this sense that doesn't include "with" -> "nothing to do with ..." As the other answers point out there's another sense in Spanish without the "con" which has to be translated into English another way.
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hippietrailDec 15 '11 at 8:39